class Address():
    def __init__(self,country:str,province:str,street:str,number:str):
        self.country=country
        self.province=province
        self.street=street
        self.number=number

    def __str__(self):
        return (f"国家：{self.country}\n"
                f"省份：{self.province}\n"
                f"街道：{self.street}\n"
                f"门牌号{self.number}")


